18results about How to "Prevent water absorption" patented technology

The utility model discloses a sodium thiocyanate anti-caking stock bin which comprises a bin body with a discharging port formed in the bottom, a feeding port and a mounting hole are formed in the top of the bin body, a dehumidification device is arranged in the mounting hole and comprises a filter screen, a sealing plate, a motor, auger blades and super absorbent resin particles, the sealing plate is in flange connection with the mounting hole, the filter screen is of a cylindrical structure, and the motor is connected with the motor. The top of the filter screen is fixedly connected with the lower surface of the sealing plate, the motor is installed on the sealing plate, the auger blade is located in the filter screen, the outer diameter of the auger blade is smaller than the diameter of the filter screen, the motor drives the auger blade to rotate, and the super absorbent resin particles are located in the filter screen. The moisture absorbent is arranged to adsorb moisture in the bin body, and the problem that sodium thiocyanate absorbs water and hardens is prevented.

The invention discloses a method for preparing a high-nickel positive electrode material through ultralow-temperature composite coating, the high-nickel positive electrode material and a lithium ion battery. An uncoated high-nickel positive electrode material is obtained through one-time sintering, PVDF / H3BO3 is adopted as a cosolvent, a metal oxide, phosphate and the like are adopted as coating materials, and high-compactness uniform coating of the positive electrode material in an ultralow-temperature environment is achieved. When a traditional high-temperature technology is adopted for coating, due to the fact that materials such as metal oxide and phosphate are inactive, a large number of inactive cations are easily embedded into crystal lattices of the materials due to the high sintering temperature. On one hand, the capacity of the positive electrode material is reduced, and on the other hand, the isolation effect of the coating layer on electrolyte becomes poor due to the reduction of the density of the coating layer. The coating layer prepared by the method is good in uniformity and high in compactness, the discharge capacity, the cycle life, the rate capability and the safety performance of the positive electrode material can be effectively improved, the technological process is simple, the production cost is low, and the method is suitable for industrial production of products.

The utility model relates to the technical field of bean product processing, in particular to a soybean screening and soaking device for bean product processing, which comprises a soaking barrel, a conveying pipe is arranged inside the soaking barrel, a rotating rod is rotatably connected between the bottom inside the soaking barrel and the top inside the conveying pipe, and a spiral blade is fixedly connected onto the rotating rod. The rotating rod is fixedly connected with a rotating disc which is in sliding connection with the conveying pipe and the soaking barrel, a feeding opening is formed in the bottom of the outer wall of the conveying pipe in a penetrating mode, stirring blades are symmetrically and fixedly connected to the rotating disc, and a screening assembly is arranged at the tops of the stirring blades; according to the soybean impurity separation device, the rotating rod rotates in the forward direction, soybeans and impurities are rapidly separated through the stirring blades, and the screening assembly is synchronously driven to collect floating impurities; through reverse rotation of the rotating rod, the soybeans are taken out rapidly by means of the spiral blade, and the baffle is driven to be closed automatically by means of water resistance in the rotating process, so that impurities can be prevented from being discharged.

The application discloses a method for producing lithium manganese oxide as a positive material of lithium battery by dry mixing, which comprises the following steps: step one, uniformly mixing LiMnO4, manganese dioxide, nano niobium pentoxide, nano aluminum oxide, LiOH powder and boron trioxide at room temperature, and grinding to obtain a mixture; step two, stirring and mixing the mixture in step one and polyvinyl alcohol to obtain a powder mixture; step three, preparing an acidic solution by heating H2O and adding a mixture of prepared anhydrous ethanol and concentrated hydrochloric acid, and stirring to obtain the acidic solution; step four, taking part of the acidic solution and adding to the powder mixture in step two to obtain a suspension; step five, adding the remaining acidic solution into the suspension in step four, and heating to react in a sealed environment; after the reaction is completed, cooling the reaction product to obtain a crystal coated with emulsified glue; step six, sintering and screening the crystal in step five; and step seven, removing iron from the screened material to obtain a product.

The invention discloses a coating liquid for protecting a heat-sensitive material of a medical film and a preparation method of the coating liquid, and belongs to the technical field of coating liquids. The anti-static coating comprises the following raw materials in parts by weight: 0.5-4 parts of a lubricant, 1-5 parts of a filler, 1-8 parts of an adhesive, 0.2-9 parts of polymer resin, 0.01-0.5 part of an anti-static agent, 2-4 parts of a plasticizer, 0.1-3 parts of a surfactant and 7-28 parts of deionized water. The thermosensitive dry film produced by using the coating liquid disclosed by the invention has relatively strong adhesive force, so that a protective layer and a thermosensitive imaging layer have relatively good adhesion and strong flexibility, and meanwhile, the thermosensitive dry film produced by using the coating liquid disclosed by the invention has good waterproofness and antistatic property, so that the film is effectively prevented from being affected with damp or absorbing water, and the service life of the film is prolonged. Dust is not easily adsorbed on the film, and the film quality is improved.

The utility model relates to the technical field of liquid sampling devices, in particular to a liquid sampling device which comprises a sampling tank and a self-sealing connector assembly, the self-sealing connector assembly comprises a fixed connector used for being connected with a sampling point on a to-be-sampled liquid pipeline and an active connector used for being connected with the fixed connector in an inserted mode, and the active connector is arranged on the sampling tank. A first self-sealing mechanism for controlling the active joint to be communicated or closed with the sampling tank is arranged in the active joint, a second self-sealing mechanism for controlling the fixed joint to be communicated or closed with a to-be-sampled liquid pipeline is arranged in the fixed joint, and a sampling opening is formed in the sampling tank. The liquid sample sampler is rapid in sampling and simple to operate, samples are located in a closed environment in the sampling process, the device is simple, the sampler is suitable for more complex environments, and the samples are prevented from being polluted and absorbing water.

This utility model discloses a wheat moistening device for flour processing, including a U-shaped frame. Two baffles are hinged to the outer wall of the U-shaped frame, and rubber sealing strips are fixedly embedded in the outer walls of both baffles. An equipment frame is fixedly connected to the outer wall of the U-shaped frame, and a first motor is fixedly connected to the inner wall of the equipment frame. A rotating frame is fixedly connected to the outer wall of the output shaft of the first motor, and a rubber hose is fixedly connected to the outer wall of the rotating frame. This utility model achieves uniform moistening of wheat by driving the rotating frame and stainless steel mesh frame to rotate through the first motor, avoiding uneven water penetration. By setting a stirring rod driven by a second motor, wheat and water are dynamically mixed, further improving the uniformity of moistening and preventing localized insufficient moistening or excessive water absorption. The rotating frame can be reset to an opening-down position, working with the stainless steel mesh frame to drain excess water quickly, improving moistening efficiency and reducing moisture residue.

The application relates to the field of road construction materials, and particularly discloses a road base mixture based on construction waste recycled aggregate and a preparation method thereof, the road base mixture is prepared from the following raw materials in parts by weight: recycled aggregate 80-100 parts, cement 20-30 parts, mineral powder 10-20 parts, fly ash 5-10 parts, water 14-20 parts, anti-shrinkage stabilizer 2-5 parts and reinforcing material 2-6 parts; and the preparation method comprises the following steps: S1, uniformly mixing and stirring the recycled aggregate, the cement, the mineral powder and the fly ash to obtain initial mixture; and S2, uniformly mixing and stirring water, the anti-shrinkage stabilizer and the reinforcing agent in the initial mixture to obtain finished mixture; the road base mixture has the advantages of high strength and good durability.

The embodiment of the application discloses a cooking method and device, a cooking equipment, a storage medium and a program product, wherein the method comprises: in a first constant temperature stage of a water absorption stage, controlling a heating assembly to maintain the temperature of food materials in a cooking cavity in a first temperature range within a first time range; the first time range and / or the first temperature range is an environmental condition for destroying the seed coat structure of coarse grains; in a cooling stage of the water absorption stage, the temperature of the food materials is cooled from the first temperature range to a second temperature range; the upper limit value of the second temperature range is less than the lower limit value of the first temperature range; in a second constant temperature stage of the water absorption stage, the pressure of the cooking cavity is changed through a ventilation assembly in the cooking cavity to promote water absorption of the food materials; in a curing stage after the water absorption stage, the food materials are cured through the control of the heating assembly to promote rapid cooking and curing.

The invention discloses a polymer papermaking machine, comprising a forming frame, a papermaking press, a drying machine, a puncture device and a paper reel arranged in sequence, wherein a lower layer headbox and a first conveyor belt are arranged at one end of the forming frame, and an upper layer headbox and a second conveyor belt are arranged at the other end; a drainage film coating device is arranged on both the lower layer headbox and the upper layer headbox, and the drainage film coating device comprises a guide film coating component arranged on the lower layer headbox, a pressure edge drainage component symmetrically arranged on both sides of the forming frame, and a film drying component arranged between the two pressure edge drainage components; a polymer spreading device is arranged on the forming frame, and the polymer spreading device comprises a material storage box and a swing spreading component arranged at the material storage box discharge end; the puncture device comprises a workbench, a lifting puncture component arranged on the workbench, and a puncture debris suction component embedded in the workbench. The invention is a papermaking machine that facilitates the one-time forming of a core material and a water-absorbing layer and avoids water absorption during the processing of the core material.

The invention discloses potassium ferrate-containing composite particles capable of efficiently removing formaldehyde and a preparation method of the potassium ferrate-containing composite particles, and relates to the technical field of air purification. The high-efficiency formaldehyde-removing composite particle comprises potassium ferrate, food-grade liquid silica gel and an inorganic adsorption material, the food-grade liquid silica gel is used as a binder, and the potassium ferrate and the inorganic adsorption material are combined; the silica gel does not react with the potassium ferrate, so that the loss of the potassium ferrate in the preparation process is reduced; the silica gel has strong hydrophobicity, can well neutralize the characteristic of strong hygroscopicity of the potassium ferrate, and prolongs the stabilization time of the potassium ferrate in the particles in the air; the silica gel has a certain adsorption effect and can adsorb formaldehyde in the air onto the particles, so that the formaldehyde is oxidized and decomposed by utilizing the potassium ferrate in the particles. When the composite particles are used, moisture and formaldehyde in the air are adsorbed, the potassium ferrate in the particles is gradually dissolved in the water, and the formaldehyde is decomposed by utilizing the strong oxidizing property of the potassium ferrate, so that the purpose of removing the formaldehyde is achieved.

The invention relates to the technical field of lithium ion batteries, in particular to a preparation method and application of a thermosetting resin-based binder for a lithium battery. The preparation method comprises the following steps: (1) uniformly mixing thermosetting resin and polysaccharide biomass; and (2) uniformly mixing the mixture obtained in the step (1) with a dispersing agent to obtain the thermosetting resin-based binder. The polysaccharide biomass and the thermosetting resin are blended to modify the thermosetting resin, so that the elasticity and plasticity of the thermosetting resin are improved, good tensile property is ensured, and high-valued utilization of the polysaccharide biomass is realized.

The utility model provides a hardening-preventing slag bin of a wet type submerged scraper conveyor, and relates to the technical field of slag bin equipment of submerged scraper conveyors. Comprising a slag bin, a compressed air purging pipeline, a material level measuring point, a vibrator, a water filtering element and a water filtering pipe flowmeter. High and low material level measuring points are arranged in the slag bin, purging pipelines with control pneumatic valves are arranged in the middle and at the bottom of the slag bin, a water filtering element is arranged at the bottom of the slag bin, and a vibrator corresponding to the discharge port is further arranged. The material level is accurately judged through a material level measuring point, bottom slag is dredged through purging of a pipeline to prevent hardening, the flow meter monitors the water filtering state, and the vibrator assists in discharging. The problems of bottom slag hardening, material level misjudgment and the like are solved, the operation stability, reliability and efficiency of the slag bin are improved, the smooth production process is guaranteed, and the method is suitable for hardening prevention and efficient operation scenes of the slag bin of the wet-type submerged scraper conveyor.

Provided is an aromatic amine resin which is capable of suppressing water absorption of a cured product, and in addition, is capable of suppressing a decrease in dielectric properties (dielectric constant and dielectric loss tangent) and heat resistance. The present invention relates to an aromatic amine resin which is a reaction product of a fluorene compound (wherein the 9-position does not have a substituent), an aromatic amine, and a compound represented by general formula (1), and an application thereof. In addition, the present invention relates to a curable composition containing the aromatic amine resin, a cured product, a prepreg, a circuit board, a build-up film, a semiconductor sealing material, and a semiconductor device. It is preferable that the amine equivalent weight of the aromatic amine resin is 100 g / eq. To 2000 g / eq. The number average molecular weight of the aromatic amine resin is preferably 100 to 10000.

The utility model discloses a heating knitted cap in the technical field of knitted caps, which comprises an outer knitted layer and a heat preservation layer, the heat preservation layer is positioned in an inner cavity of the outer knitted layer, the inner side wall of the heat preservation layer is fixedly connected with a heating layer, the inner side wall of the heating layer is fixedly connected with an inner knitted layer, and the inner knitted layer is fixedly connected with an outer knitted layer. The heating knitted cap comprises an outer knitted layer, a brim is integrally formed on the periphery of the bottom of the outer knitted layer, the outer side wall of the outer knitted layer is coated with waterproof paint, the waterproof paint is a polyurethane waterproof material, the inner side wall of the outer knitted layer is fixedly connected with a waterproof layer, and the waterproof layer is made of a TPU material. The heating layer can spontaneously emit heat, then the knitted cap can emit heat, heat loss is avoided by arranging the heat preservation layer, and therefore the knitted cap has the heating function, meanwhile, heat loss can be avoided, and the knitted cap has the waterproof function.

The utility model discloses an anti-ponding preassembled electric power prefabricated cabin, which comprises a prefabricated cabin main body, the bottom end of the prefabricated cabin main body is fixedly connected with three groups of supporting bases, one side of the front end of the prefabricated cabin main body is provided with a cabin door, and the other side of the front end of the prefabricated cabin main body is provided with a ventilation frame. A rainproof ceiling is fixedly connected to the top end of the prefabricated cabin body, a drainage groove is formed in the top end of the rainproof ceiling, and a reserved groove is formed in the supporting base. According to the pre-assembled electric power prefabricated cabin capable of preventing water accumulation, rainwater is prevented from directly entering the prefabricated cabin main body through the rainproof ceiling, water vapor or moisture enters the prefabricated cabin main body from the top and then is gathered above the protective top plate, and the water vapor and the moisture can be absorbed by the water absorption plate; after absorbing water, the water absorbing plate is slowly ventilated and dried through the ventilation holes in the bottom of the protective top plate, water accumulation in the prefabricated cabin body is avoided, the water accumulation prevention function is achieved through the structure, and the problem that water accumulation is prone to occurring is solved.

The invention discloses anti-caking intelligent storage equipment and a storage method for polypeptide type synergistic fertilizers, and relates to the technical field of anti-caking intelligent storage equipment.The anti-caking intelligent storage equipment comprises a storage box base, a storage box body and an anti-caking scattering mechanism, and the storage box body is mounted at the top of the outer wall of the storage box base; an anti-caking scattering mechanism is installed on the side face of the inner wall of the storage box and comprises a crushing unit and a vibration unit. By installing the crushing unit, the function of crushing the caked fertilizer is achieved, the problems that the caked fertilizer cannot be taken out and is poor in mobility and fertilization effect are solved, the storage time and the service life of the fertilizer are prolonged, the use effect of the fertilizer is improved, and resource waste caused by long-time caked denaturation of the fertilizer is prevented.

The present invention relates to the technical field of pesticide detection. The present application discloses a device for detecting pesticide residues in fruits and vegetables, including a liquid storage rolling bin, a T-shaped slide rail is fixedly installed on the outer surface of the liquid storage rolling bin between the side plates, a drainage hole is arranged in the middle of the outer surface of the liquid storage rolling bin and between the T-shaped slide rails, the pesticide solvent inside the liquid storage rolling bin is discharged outward through the drainage hole and enters the interior of the drainage device, the T-shaped slide rail and the drainage hole are distributed in a circular array. The extrusion seat will squeeze the liquid absorption device, so that the connecting plate slides along the surface of the T-shaped slide rail, the spacing between the connecting plates is reduced, the liquid absorption sponge is squeezed to discharge the absorbed pesticide solvent, the pesticide solvent enters the interior of the liquid inlet tank through the leakage hole and the installation sleeve under the action of gravity, so that the detection plate is completely immersed in the pesticide solvent, the detection method of the device is more convenient to operate, and the surface of the fruits and vegetables to be detected can be completely detected, which improves the practicality of the device.